package dup.login.demo.validator;

import org.springframework.util.StringUtils;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.regex.Pattern;

/**
 * 手机号验证的实现类
 *
 * @author dup
 * @date 2019/7/18
 */
public class PhoneValidator implements ConstraintValidator<Phone, String> {

    private boolean required = false;
    //定义的手机号验证正则表达式
    private Pattern pattern = Pattern.compile("1(([38]\\d)|(5[^4&&\\d])|(4[579])|(7[0135678]))\\d{8}");

    @Override
    public void initialize(Phone constraintAnnotation) {
//        required = constraintAnnotation.required();
    }

    @Override
    public boolean isValid(String s, ConstraintValidatorContext constraintValidatorContext) {
        if (required) {
            return pattern.matcher(s).matches();
        } else {
            if (StringUtils.isEmpty(s)) {
                return false;
            } else {
                return pattern.matcher(s).matches();
            }
        }
    }
}